Lymphocyte SubsetsT-Lymphocyte SubsetsLymphocytesCD4-CD8 RatioT-LymphocytesLymphocyte ActivationLymphocyte CountLeukocyte CountCD4-Positive T-LymphocytesFlow CytometryAntigens, CD3CD8-Positive T-LymphocytesT-Lymphocytes, Helper-InducerImmunophenotypingAntigens, CD8Antibodies, MonoclonalT-Lymphocytes, RegulatoryAntigens, CD45Killer Cells, NaturalImmunity, CellularAntigens, CDSpleenHLA-DR AntigensReceptors, Antigen, T-Cell, gamma-deltaB-LymphocytesT-Lymphocytes, CytotoxicMice, Inbred BALB CCytotoxicity, ImmunologicCells, CulturedInterleukin-2B-Lymphocyte SubsetsPhytohemagglutininsMice, Inbred C57BLAntigens, Differentiation, T-LymphocyteInterferon-gammaLymph NodesConcanavalin AAntigens, SurfaceAntigens, CD4Thymus GlandLymphocytes, Tumor-InfiltratingCytokinesLymphocyte Culture Test, MixedCell SeparationReceptors, Antigen, T-CellMitogensRosette FormationLymphopeniaClone CellsImmunologic MemoryLymphocyte DepletionCell LineMolecular Sequence DataTime FactorsLymphoid TissueReceptors, Interleukin-2Receptors, Antigen, T-Cell, alpha-betaLeukocytes, MononuclearCD4 Lymphocyte CountLymphocytes, NullPhenotypeAntigens, DifferentiationMonocytesEpitopesImmunoglobulinsMembrane GlycoproteinsHistocompatibility AntigensDendritic CellsCell DivisionMice, Inbred StrainsInterleukin-4Cytotoxicity Tests, ImmunologicSignal TransductionAntigens, CD19Antigens, CD57RNA, MessengerCell DifferentiationJurkat CellsImmune ToleranceHIV-1Receptors, Antigen, B-CellImmunoglobulin GMice, KnockoutLymphocyte CooperationPokeweed MitogensLymphocyte TransfusionAntigens, CD28Antigens, CD2MacrophagesAntibody FormationLeukocytesAntigens, CD56Fluorescent Antibody TechniqueImmunoglobulin MGene Expression RegulationHIV InfectionsMice, TransgenicHistocompatibility Antigens Class IIApoptosisCell Movement